98980120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 255052800

約数和(自身を除く): 156072680

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 47, 68, 76, 85, 94, 95, 136, 152, 163, 170, 188, 190, 235, 323, 326, 340, 376, 380, 470, 646, 652, 680, 760, 799, 815, 893, 940, 1292, 1304, 1598, 1615, 1630, 1786, 1880, 2584, 2771, 3097, 3196, 3230, 3260, 3572, 3995, 4465, 5542, 6194, 6392, 6460, 6520, 7144, 7661, 7990, 8930, 11084, 12388, 12920, 13855, 15181, 15322, 15485, 15980, 17860, 22168, 24776, 27710, 30362, 30644, 30970, 31960, 35720, 38305, 52649, 55420, 60724, 61288, 61940, 75905, 76610, 105298, 110840, 121448, 123880, 130237, 145559, 151810, 153220, 210596, 260474, 263245, 291118, 303620, 306440, 421192, 520948, 526490, 582236, 607240, 651185, 727795, 1041896, 1052980, 1164472, 1302370, 1455590, 2105960, 2474503, 2604740, 2911180, 4949006, 5209480, 5822360, 9898012, 12372515, 19796024, 24745030, 49490060, 98980120]

約数ペア:

[(1, 98980120), (2, 49490060), (4, 24745030), (5, 19796024), (8, 12372515), (10, 9898012), (17, 5822360), (19, 5209480), (20, 4949006), (34, 2911180), (38, 2604740), (40, 2474503), (47, 2105960), (68, 1455590), (76, 1302370), (85, 1164472), (94, 1052980), (95, 1041896), (136, 727795), (152, 651185), (163, 607240), (170, 582236), (188, 526490), (190, 520948), (235, 421192), (323, 306440), (326, 303620), (340, 291118), (376, 263245), (380, 260474), (470, 210596), (646, 153220), (652, 151810), (680, 145559), (760, 130237), (799, 123880), (815, 121448), (893, 110840), (940, 105298), (1292, 76610), (1304, 75905), (1598, 61940), (1615, 61288), (1630, 60724), (1786, 55420), (1880, 52649), (2584, 38305), (2771, 35720), (3097, 31960), (3196, 30970), (3230, 30644), (3260, 30362), (3572, 27710), (3995, 24776), (4465, 22168), (5542, 17860), (6194, 15980), (6392, 15485), (6460, 15322), (6520, 15181), (7144, 13855), (7661, 12920), (7990, 12388), (8930, 11084)]